Solutions by everydaycalculation.com
1042 - 4042 is -57.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42-40/42 10/42-80/42 10/84-40/42 10/42-40/84 30/42-40/42 50/42-40/42 70/42-40/42
© everydaycalculation.com